From the publisher:
Woe to those who open this tome...
Ennie Nominated in 2004 for Best Monster Supplement with 10 monsters excerpted for Monte Cook Presents: The Year's Best d20 Denizens of Avadnu is our premier product.
With over 125 exotic creatures and dozens of new skills, feats, weapons, and magic items, Denizens of Avadnu will add variety to fantasy campaigns for years to come. Illustrated with lavish full-color artwork, each entry is designed for easy integration into any d20 System game, supplemented with adventure ideas and separate entries to provide depth into Avadnu’s unique history and ecology. Compatible with version 3.5 of the D20 System.